A natural history of mermaids

"In 1872 a ship named the HMS Challenger set sail on a grand scientific tour of the world's oceans. On board was a young marine biologist, Darcy Delamare, who kept record of the expedition, and the extraordinary sea creatures she witnessed: creatures that, until then, nobody had believed really existed. Her notebook survived-you hold a copy of it in your hands right now. And the creatures? You must have guessed it by now...the creatures were mermaids. Kept secret for more than a century, this book features precise notes, and detailed sketches revealing the different species of merfolk from around the world. Discover their life-cycle, anatomy, habits, and habitats"--Back cover.